Finding the Fourth Proportional to 26,268,885.20, 39,403,327.80 and 14,931,477.20
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Solution
The fourth proportional to 26,268,885.20, 39,403,327.80 and 14,931,477.20 is: 22,397,215.80
Step by Step Solution
- Step 1: Write the proportion equation
26,268,885.20 : 39,403,327.80 = 14,931,477.20 : x - Step 2: Convert to fraction form
26,268,885.20/39,403,327.80 = 14,931,477.20/x - Step 3: Cross multiply
26,268,885.20x = 39,403,327.80 × 14,931,477.20 - Step 4: Simplify right side
26,268,885.20x = 588,349,890,649,826.12 - Step 5: Solve for x
x = 588,349,890,649,826.12/26,268,885.20 - Step 6: Final answer
x = 22,397,215.80
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.